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  1. #1
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    SRAM PG-1170 11-36 with Shimano XTR 11s rear derailleur and Shimano XTR 11 shifter

    I'm wondering if SRAM PG-1170 11-36 would work with Shimano XTR 11s rear derailleur and Shimano XTR 11s shifter?

    The cassette should be compatible SRAM 11sp road shifting - sprocket picht 3.72 mm. However SRAM 11sp road shifting in fact moves 3.9 mm, which is same as XTR (according to this article and given compatibility between 10sp and 11sp road).
    So would it shift smoothly? If I do the math the max diff on second largest sprocket will be 0.72 mm. Does it matter?
    Should I combine the rear derailleur with SRAM MTB Shifter which would decrease this to 0.52?

    I'd like to build a big range offroad commuting bicycle with smooth steps between cogs so I'd like to use Shimano CS-6703 52-39-30 crankset and need a rear mech with big capacity and would prefer 11sp. For sure 10sp 11-36 options should play well.

  2. #2
    I Tried Them ALL... Moderator
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    The SRAM narrow-wide tooth profiling(+ -) for 11-speed is there for a reason. It's designed to fit precisely like keys, into the matching PC-1170/PC-X01/PC-XX1 chains, so they don't need chain guides.
    "The mind will quit....well before the body does"

  3. #3
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    Quote Originally Posted by Zachariah View Post
    The SRAM narrow-wide tooth profiling(+ -) for 11-speed is there for a reason. It's designed to fit precisely like keys, into the matching PC-1170/PC-X01/PC-XX1 chains, so they don't need chain guides.
    The profiling applies to 1x11 MTB crank sets. PG-1170 is road cassette (https://www.sram.com/sram/road/produ...11-36-cassette) and there is no profiling on road cranks... (profiling on cassette does not make sense).
    I want to use Shimano CS-6703 52-39-30 crankset, the questions is about cassette and rear detailleur compatibility vs different cogs spacing on 11sp cassettes.

    I wanted to use Shimano Durace/XTR 11sp chain.
    I wanted to use also 11-32 road cassette (SRAM or Shimano).

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